<script setup>
import { ref,computed } from "vue";
import { useAllDataStore } from "@/stores/index.js";
import { useRouter, useRoute } from "vue-router";

const noChildren = computed(() => list.value.filter(item=>!item.children))
const hasChildren = computed(() => list.value.filter(item=>item.children))
const store = useAllDataStore()
const isCollapse = computed(()=>store.state.isCollapse)
const width = computed(()=>store.state.isCollapse ? '64px' : '180px')
const route = useRoute()
const router = useRouter()
const activeMenu = computed(() => route.path)

const handleMenu = (item) => {
    router.push(item.path) 
    store.selectMenu(item)
}

const list = computed(() => store.state.menuList)
</script>

<template>
  <el-aside   :width="width" class="aside">
    <el-menu
    background-color="#545c64" 
    text-color="#fff"
    :collapse="isCollapse"
    :collapse-transition="false"
    :default-active="activeMenu"
    >

      <h3 v-show="!isCollapse">亮界图书后台</h3>
      <h3 v-show="isCollapse">后台</h3>

      <el-menu-item 
          v-for="item in noChildren" 
          :index="item.path" 
          :key="item.path"
          @click="handleMenu(item)"
      >
        <component class="icons" :is="item.icon"></component>
        <span>{{item.label}}</span>
      </el-menu-item>

        <el-sub-menu 
              v-for="item in hasChildren" 
              :index="item.path" 
              :key="item.path"
        >
          <template #title>
            <component class="icons" :is="item.icon"></component>
            <span>{{item.label}}</span>
          </template>

          <el-menu-item-group >
            <el-menu-item 
                  v-for="(subItem,subIndex) in item.children" 
                  :index="subItem.path" 
                  :key="subItem.path"
                  @click="handleMenu(subItem)"
            >
                <component class="icons" :is="subItem.icon"></component>
                <span>{{subItem.label}}</span>
            </el-menu-item>
          </el-menu-item-group>
        </el-sub-menu>
      </el-menu>
  </el-aside>
</template>

<style lang="less" scoped>
.icons{
  width: 18px;
  height: 100%;
  margin-right: 5px;
}

.el-menu{
  border-right: none;
  h3{
    line-height: 48px;
    color: #fff;
    text-align: center;
  }
}

.aside.el-aside{
  height:100%;
  background-color: #545c64;
}
</style>

